We are thrilled to announce that the highly anticipated N-Nitroso impurities of Amide and Indole have now been successfully developed e.g. N-Nitroso Orlistat , N-Nitroso Ropinirole , N-Nitroso Caprolactam ,N-Nitroso Gabapentin EP Impurity A , N-Nitroso Rizatriptan , N-Nitroso Zolmitriptan, N-Nitroso Naratriptan , N-Nitroso Tadalafil , N-Nitroso Eletriptan etc. are ready Stock
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We are thrilled to announce that the highly anticipated N-Nitroso impurities of Amide and Indole have now been successfully developed e.g. N-Nitroso Orlistat , N-Nitroso Ropinirole , N-Nitroso Caprolactam ,N-Nitroso Gabapentin EP Impurity A , N-Nitroso Rizatriptan , N-Nitroso Zolmitriptan, N-Nitroso Naratriptan , N-Nitroso Tadalafil , N-Nitroso Eletriptan etc. are ready Stock

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Nitroso

Nitrosamines are a group of chemical compounds that contain the nitroso functional group (NO) attached to an amine group (-NH). They can form in various ways, including through industrial processes, combustion, and certain chemical reactions, particularly involving nitrites and secondary amines. Nitrosamines are of concern because Many nitrosamines (N-Nitrosamines) are potent genotoxins; some have been classified as possible human carcinogens, although the degree of risk can vary depending on factors such as the amount of exposure and individual susceptibility. Synchemia Research Chemical is dedicated to thoroughly investigating the formation of nitroso impurities in APIs, including those related to the manufacturing processes. This approach indicates a proactive stance toward quality control and regulatory compliance. By exploring all potential sources of nitroso impurities, including those arising from the production processes themselves, Synchemia Research Chemical demonstrates a commitment to ensuring the purity, safety, and efficacy of their pharmaceutical products. Nitrosoamines, including N-Des-methyl Nitroso impurities, are important in pharmaceutical research and development due to their potential impact on drug safety and efficacy. Understanding and controlling the presence of these impurities is crucial for ensuring the quality and safety of pharmaceutical products. Can N-Nitrosamines exist in two different stable forms? N-nitrosamines substituted with two different alkyl groups can exist in two different stable forms distinguishable by several analytical methods. The two rotamers may differ in their overall dipole moment and therefore may posses different chemical and physical properties. Why do I see two peaks when analyzing N-Nitrosamines by HPLC or GC? HPLC and GC)analysis of N-nitrosamines may show two rotamers of the N-nitrosamine as two separate peaks. Whether two peaks are observed depends on the structure of the N-nitrosamine (i.e., symmetric vs. asymmetric) as well as the separation power of the analytical method.
We are the Synchemia Research Chemical specializes in manufacturing and exporting various nitrosoamine compounds, particularly focusing on N-Des-methyl Nitroso impurities of various APIs and nitroso compounds of direct APIs that contain secondary amines. By specializing in the synthesis and export of these compounds, Synchemia Research likely plays a significant role in supporting the pharmaceutical industry's efforts to meet regulatory requirements and ensure the highest standards of quality and safety in drug manufacturing.
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Pharmaceutical Reference Standards

N-Nitroso Gentamicin C2b (Possibility 2)
N-Nitroso Gentamicin C2b (Possibility 2)
CAT No SRC-N0143824
CAS No NA
Mol.F. C20H40N6O8
Mol.Wt. 492.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Gentamicin Nitroso Impurity 4
Gentamicin Nitroso Impurity 4
CAT No SRC-N0143825
CAS No NA
Mol.F. C20H40N6O10
Mol.Wt. 524.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Gentamicin Nitroso Impurity 6
Gentamicin Nitroso Impurity 6
CAT No SRC-N0143826
CAS No NA
Mol.F. C20H40N6O10
Mol.Wt. 524.6 g/mole
INV STATUS CUSTOM SYNTHESIS
N,N-Dinitroso Gentamicin C2b
N,N-Dinitroso Gentamicin C2b
CAT No SRC-N0143827
CAS No NA
Mol.F. C20H39N7O9
Mol.Wt. 521.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Mixture of N-nitroso Gentamicin
Mixture of N-nitroso Gentamicin
CAT No SRC-N0143828
CAS No NA
Mol.F. C21H42N6O8 : C19H38N6O8 : C20H40N6O8 : C21H41N7O9 : C19H36N6O8 : C20H40N6O10
Mol.Wt. 506.6 : 478.5 : 492.6 : 535.6 : 476.5 : 524.6g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Dronedarone EP Impurity A
N-Nitroso Dronedarone EP Impurity A
CAT No SRC-N0143829
CAS No NA
Mol.F. C27H35N3O6S
Mol.Wt. 529.7 g/mole
INV STATUS CUSTOM SYNTHESIS
Dronedarone Nitroso Impurity 1
Dronedarone Nitroso Impurity 1
CAT No SRC-N0143830
CAS No NA
Mol.F. C14H20N2O4
Mol.Wt. 280.3 g/mole
INV STATUS CUSTOM SYNTHESIS
2-[(N-Nitroso-N-methylamino) methyl]cyclohexanone
2-[(N-Nitroso-N-methylamino) methyl]cyclohexanone
CAT No SRC-N0143831
CAS No NA
Mol.F. C8H14N2O2
Mol.Wt. 170.21 g/mol
INV STATUS CUSTOM SYNTHESIS
Niraparib Nitroso Impurity 7
Niraparib Nitroso Impurity 7
CAT No SRC-N0143832
CAS No NA
Mol.F. C20H20N4O3
Mol.Wt. 364.4 g/mol
INV STATUS CUSTOM SYNTHESIS
Elinzanetant Nitroso Impurity
Elinzanetant Nitroso Impurity
CAT No SRC-N0143833
CAS No 2624134-88-7
Mol.F. C5H8N2O4
Mol.Wt. 160.1 g/mole
INV STATUS CUSTOM SYNTHESIS
Ezetimibe Deprotected Nitroso Impurity
Ezetimibe Deprotected Nitroso Impurity
CAT No SRC-N0143834
CAS No NA
Mol.F. C33H29F2N3O6
Mol.Wt. 601.6 g/mole
INV STATUS CUSTOM SYNTHESIS
Capivasertib Nitroso Impurity 1
Capivasertib Nitroso Impurity 1
CAT No SRC-N0143835
CAS No NA
Mol.F. C10H17N3O5
Mol.Wt. 259.26 g/mole
INV STATUS CUSTOM SYNTHESIS
Capivasertib Nitroso Impurity 2
Capivasertib Nitroso Impurity 2
CAT No SRC-N0143836
CAS No NA
Mol.F. C6H11N3O3
Mol.Wt. 173.2 g/mole
INV STATUS UNDER SYNTHESIS
Methyl 4-nitrosopiperazine-1-carboxylate
Methyl 4-nitrosopiperazine-1-carboxylate
CAT No SRC-N0143837
CAS No NA
Mol.F. C6H11N3O3
Mol.Wt. 173.2 g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Deschloro Capivasertib
N-Nitroso Deschloro Capivasertib
CAT No SRC-N0143838
CAS No NA
Mol.F. C21H25N7O3
Mol.Wt. 423.48g/mole
INV STATUS CUSTOM SYNTHESIS
N-Nitroso Capivasertib N-oxide Impurity 1
N-Nitroso Capivasertib N-oxide Impurity 1
CAT No SRC-N0143839
CAS No NA
Mol.F. C21H24ClN7O4
Mol.Wt. 473.92 g/mole
INV STATUS CUSTOM SYNTHESIS

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